Mechanical methods
Mechanical methods
Rotary chain cutter
Mechanical methods
Cleaning with cleaning apparatus
The cleaning apparatus includes a channel bucket, channel plow, invert scoop, channel scraper, cleaning brushes or a pull-through squeegee. They are brought into the sewer through the manhole and then pulled through the section to be cleaned using a winch [NASSCO1989] [ATV1995a] [Tchob1989] [FI-Müller] [WPCF1985].
Image:
William Nelson, "A New Sand Scraper for Sewer Pipe," Engineering News and American Railway Journal, Volume XXXIII, No. 17 (25 April 1895), P. 275.
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